Figure 30: Marking The Locations Of The Bracket Holes On A Concrete Wall - Allied Telesis AlliedWare Plus x220 Series Installation Manual

Chapter 5: Installing the Switch on a Wall
Two screw holes for the
AT-x220-28GS Switch
68
Figure 30. Marking the Locations of the Bracket Holes on a Concrete Wall
4. Place the switch on a table or desk.
5. Use a drill and 1/4" carbide drill bit to pre-drill the holes you marked in
step 3. Please review the following guidelines:
 Prior to drilling, set the drill to hammer and rotation mode. The
modes break up the concrete and clean out the hole.

Allied Telesis recommends cleaning out the holes with a brush or
compressed air.
6. Insert the provided anchors into the holes.
7. Have another person hold the switch at the selected wall location while
you secure it to the wall with the M4x32mm provided screws. Refer to
Figure 31 on page 69.
Four screw holes for the
AT-x220-52GT or AT-x220-
52GP Switch